19506690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10321}}^1$

素因数の和:10344

約数の個数: 64

約数和(自身を含む): 59454720

約数和(自身を除く): 39948030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10321, 20642, 30963, 51605, 61926, 72247, 92889, 103210, 144494, 154815, 185778, 216741, 278667, 309630, 361235, 433482, 464445, 557334, 650223, 722470, 928890, 1083705, 1300446, 1393335, 1950669, 2167410, 2786670, 3251115, 3901338, 6502230, 9753345, 19506690]

約数ペア:

[(1, 19506690), (2, 9753345), (3, 6502230), (5, 3901338), (6, 3251115), (7, 2786670), (9, 2167410), (10, 1950669), (14, 1393335), (15, 1300446), (18, 1083705), (21, 928890), (27, 722470), (30, 650223), (35, 557334), (42, 464445), (45, 433482), (54, 361235), (63, 309630), (70, 278667), (90, 216741), (105, 185778), (126, 154815), (135, 144494), (189, 103210), (210, 92889), (270, 72247), (315, 61926), (378, 51605), (630, 30963), (945, 20642), (1890, 10321)]